Aerial view of a freighter being towed into the harbour, Bremerhaven, northern Germany

nobody europe boat cargo ship transportation harbour aerial view bremen tug boat port niedersachsen lower saxony travel port day water travel destination outdoors container harbor bremerhaven quai freighter ocean traffic ship container harbour germany weser river tug europe germany lower saxony bremen northern germany aerial above containers cargo freight container terminal harbor harbour logistics sea port trade river mouth ship freighter transport waterway economy export import cargo vessel navigation towing guidance safety tow boat